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" \nHave you wondered about the differences among biodiesel, vegetable oil, and ethanol? Curious about why we're using gasoline when there are so many cheap and easy alternatives available? At around 45 minutes, Freedom Fuels is a quick and painless way"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/culture/freedom-fuels-free-downloadable-alternative-fuels-doc.html>